Date: Fri, 25 Oct 2013 14:43:17 +0000 (UTC) From: Nathan Whitehorn <nwhitehorn@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r257117 - in head/sys: conf powerpc/mpc85xx Message-ID: <201310251443.r9PEhH5q098189@svn.freebsd.org>
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Author: nwhitehorn Date: Fri Oct 25 14:43:16 2013 New Revision: 257117 URL: http://svnweb.freebsd.org/changeset/base/257117 Log: Convert e500 PCI driver to use common PPC PCI bus glue. No functional changes. Added: head/sys/powerpc/mpc85xx/pci_mpc85xx.c - copied, changed from r257116, head/sys/powerpc/mpc85xx/pci_fdt.c Deleted: head/sys/powerpc/mpc85xx/pci_fdt.c Modified: head/sys/conf/files.powerpc Modified: head/sys/conf/files.powerpc ============================================================================== --- head/sys/conf/files.powerpc Fri Oct 25 14:38:46 2013 (r257116) +++ head/sys/conf/files.powerpc Fri Oct 25 14:43:16 2013 (r257117) @@ -132,12 +132,12 @@ powerpc/mpc85xx/i2c.c optional iicbus f powerpc/mpc85xx/isa.c optional mpc85xx isa powerpc/mpc85xx/lbc.c optional mpc85xx powerpc/mpc85xx/mpc85xx.c optional mpc85xx -powerpc/mpc85xx/pci_fdt.c optional pci mpc85xx +powerpc/mpc85xx/pci_mpc85xx.c optional pci mpc85xx powerpc/ofw/ofw_cpu.c optional aim powerpc/ofw/ofw_machdep.c optional aim -powerpc/ofw/ofw_pci.c optional pci aim -powerpc/ofw/ofw_pcibus.c optional pci aim -powerpc/ofw/ofw_pcib_pci.c optional pci aim +powerpc/ofw/ofw_pci.c optional pci +powerpc/ofw/ofw_pcibus.c optional pci +powerpc/ofw/ofw_pcib_pci.c optional pci powerpc/ofw/ofw_real.c optional aim powerpc/ofw/ofw_syscons.c optional sc aim powerpc/ofw/ofwcall32.S optional aim powerpc Copied and modified: head/sys/powerpc/mpc85xx/pci_mpc85xx.c (from r257116, head/sys/powerpc/mpc85xx/pci_fdt.c) ============================================================================== --- head/sys/powerpc/mpc85xx/pci_fdt.c Fri Oct 25 14:38:46 2013 (r257116, copy source) +++ head/sys/powerpc/mpc85xx/pci_mpc85xx.c Fri Oct 25 14:43:16 2013 (r257117) @@ -55,13 +55,15 @@ __FBSDID("$FreeBSD$"); #include <vm/vm.h> #include <vm/pmap.h> -#include <dev/fdt/fdt_common.h> +#include <dev/ofw/ofw_pci.h> #include <dev/ofw/ofw_bus.h> #include <dev/ofw/ofw_bus_subr.h> #include <dev/pci/pcivar.h> #include <dev/pci/pcireg.h> #include <dev/pci/pcib_private.h> +#include <powerpc/ofw/ofw_pci.h> + #include "ofw_bus_if.h" #include "pcib_if.h" @@ -98,20 +100,15 @@ __FBSDID("$FreeBSD$"); #define DEVFN(b, s, f) ((b << 16) | (s << 8) | f) struct fsl_pcib_softc { + struct ofw_pci_softc pci_sc; device_t sc_dev; - struct rman sc_iomem; - bus_addr_t sc_iomem_va; /* Virtual mapping. */ - bus_addr_t sc_iomem_size; - bus_addr_t sc_iomem_alloc; /* Next allocation. */ int sc_iomem_target; - struct rman sc_ioport; - bus_addr_t sc_ioport_va; /* Virtual mapping. */ - bus_addr_t sc_ioport_size; - bus_addr_t sc_ioport_alloc; /* Next allocation. */ + bus_addr_t sc_iomem_alloc, sc_iomem_start, sc_iomem_end; int sc_ioport_target; + bus_addr_t sc_ioport_alloc, sc_ioport_start, sc_ioport_end; - struct resource *sc_res; + struct resource *sc_res; bus_space_handle_t sc_bsh; bus_space_tag_t sc_bst; int sc_rid; @@ -123,8 +120,6 @@ struct fsl_pcib_softc { /* Devices that need special attention. */ int sc_devfn_tundra; int sc_devfn_via_ide; - - struct fdt_pci_intr sc_intr_info; }; /* Local forward declerations. */ @@ -137,9 +132,6 @@ static void fsl_pcib_err_init(device_t); static void fsl_pcib_inbound(struct fsl_pcib_softc *, int, int, u_long, u_long, u_long); static int fsl_pcib_init(struct fsl_pcib_softc *, int, int); -static int fsl_pcib_intr_info(phandle_t, struct fsl_pcib_softc *); -static int fsl_pcib_set_range(struct fsl_pcib_softc *, int, int, u_long, - u_long); static void fsl_pcib_outbound(struct fsl_pcib_softc *, int, int, u_long, u_long, u_long); @@ -148,13 +140,6 @@ static int fsl_pcib_attach(device_t); static int fsl_pcib_detach(device_t); static int fsl_pcib_probe(device_t); -static struct resource *fsl_pcib_alloc_resource(device_t, device_t, int, int *, - u_long, u_long, u_long, u_int); -static int fsl_pcib_read_ivar(device_t, device_t, int, uintptr_t *); -static int fsl_pcib_release_resource(device_t, device_t, int, int, - struct resource *); -static int fsl_pcib_write_ivar(device_t, device_t, int, uintptr_t); - static int fsl_pcib_maxslots(device_t); static uint32_t fsl_pcib_read_config(device_t, u_int, u_int, u_int, u_int, int); static void fsl_pcib_write_config(device_t, u_int, u_int, u_int, u_int, @@ -173,53 +158,30 @@ static device_method_t fsl_pcib_methods[ DEVMETHOD(device_attach, fsl_pcib_attach), DEVMETHOD(device_detach, fsl_pcib_detach), - /* Bus interface */ - DEVMETHOD(bus_read_ivar, fsl_pcib_read_ivar), - DEVMETHOD(bus_write_ivar, fsl_pcib_write_ivar), - DEVMETHOD(bus_alloc_resource, fsl_pcib_alloc_resource), - DEVMETHOD(bus_release_resource, fsl_pcib_release_resource), - DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), - DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), - DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), - DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), - /* pcib interface */ DEVMETHOD(pcib_maxslots, fsl_pcib_maxslots), DEVMETHOD(pcib_read_config, fsl_pcib_read_config), DEVMETHOD(pcib_write_config, fsl_pcib_write_config), - DEVMETHOD(pcib_route_interrupt, pcib_route_interrupt), - - /* OFW bus interface */ - DEVMETHOD(ofw_bus_get_compat, ofw_bus_gen_get_compat), - DEVMETHOD(ofw_bus_get_model, ofw_bus_gen_get_model), - DEVMETHOD(ofw_bus_get_name, ofw_bus_gen_get_name), - DEVMETHOD(ofw_bus_get_node, ofw_bus_gen_get_node), - DEVMETHOD(ofw_bus_get_type, ofw_bus_gen_get_type), DEVMETHOD_END }; -static driver_t fsl_pcib_driver = { - "pcib", - fsl_pcib_methods, - sizeof(struct fsl_pcib_softc), -}; - -devclass_t pcib_devclass; +static devclass_t fsl_pcib_devclass; -DRIVER_MODULE(pcib, fdtbus, fsl_pcib_driver, pcib_devclass, 0, 0); +DEFINE_CLASS_1(pcib, fsl_pcib_driver, fsl_pcib_methods, + sizeof(struct fsl_pcib_softc), ofw_pci_driver); +DRIVER_MODULE(pcib, fdtbus, fsl_pcib_driver, fsl_pcib_devclass, 0, 0); static int fsl_pcib_probe(device_t dev) { - phandle_t node; - node = ofw_bus_get_node(dev); - if (!fdt_is_type(node, "pci")) + if (ofw_bus_get_type(dev) == NULL || + strcmp(ofw_bus_get_type(dev), "pci") != 0) return (ENXIO); - if (!(fdt_is_compatible(node, "fsl,mpc8540-pci") || - fdt_is_compatible(node, "fsl,mpc8548-pcie"))) + if (!(ofw_bus_is_compatible(dev, "fsl,mpc8540-pci") || + ofw_bus_is_compatible(dev, "fsl,mpc8548-pcie"))) return (ENXIO); device_set_desc(dev, "Freescale Integrated PCI/PCI-E Controller"); @@ -232,7 +194,7 @@ fsl_pcib_attach(device_t dev) struct fsl_pcib_softc *sc; phandle_t node; uint32_t cfgreg; - int maxslot; + int maxslot, error; uint8_t ltssm, capptr; sc = device_get_softc(dev); @@ -273,13 +235,14 @@ fsl_pcib_attach(device_t dev) } node = ofw_bus_get_node(dev); + /* - * Get PCI interrupt info. + * Initialize generic OF PCI interface (ranges, etc.) */ - if (fsl_pcib_intr_info(node, sc) != 0) { - device_printf(dev, "could not retrieve interrupt info\n"); - goto err; - } + + error = ofw_pci_init(dev); + if (error) + return (error); /* * Configure decode windows for PCI(E) access. @@ -315,11 +278,9 @@ fsl_pcib_attach(device_t dev) fsl_pcib_err_init(dev); - device_add_child(dev, "pci", -1); - return (bus_generic_attach(dev)); + return (ofw_pci_attach(dev)); err: - bus_release_resource(dev, SYS_RES_MEMORY, sc->sc_rid, sc->sc_res); return (ENXIO); } @@ -542,37 +503,6 @@ fsl_pcib_init_bar(struct fsl_pcib_softc return (width); } -static u_int -fsl_pcib_route_int(struct fsl_pcib_softc *sc, u_int bus, u_int slot, u_int func, - u_int intpin) -{ - int err, unit; - u_int devfn, intline; - - unit = device_get_unit(sc->sc_dev); - - devfn = DEVFN(bus, slot, func); - if (devfn == sc->sc_devfn_via_ide) - intline = MAP_IRQ(0, 14); - else if (devfn == sc->sc_devfn_via_ide + 1) - intline = MAP_IRQ(0, 10); - else if (devfn == sc->sc_devfn_via_ide + 2) - intline = MAP_IRQ(0, 10); - else { - if (intpin != 0) - err = fdt_pci_route_intr(bus, slot, func, intpin, - &sc->sc_intr_info, &intline); - else - intline = 0xff; - } - - if (bootverbose) - printf("PCI %u:%u:%u:%u: intpin %u: intline=%u\n", - unit, bus, slot, func, intpin, intline); - - return (intline); -} - static int fsl_pcib_init(struct fsl_pcib_softc *sc, int bus, int maxslot) { @@ -583,7 +513,6 @@ fsl_pcib_init(struct fsl_pcib_softc *sc, int bar, maxbar; uint16_t vendor, device; uint8_t command, hdrtype, class, subclass; - uint8_t intline, intpin; secbus = bus; for (slot = 0; slot <= maxslot; slot++) { @@ -624,13 +553,9 @@ fsl_pcib_init(struct fsl_pcib_softc *sc, bar += fsl_pcib_init_bar(sc, bus, slot, func, bar); - /* Perform interrupt routing. */ - intpin = fsl_pcib_read_config(sc->sc_dev, bus, slot, - func, PCIR_INTPIN, 1); - intline = fsl_pcib_route_int(sc, bus, slot, func, - intpin); + /* Put a placeholder interrupt value */ fsl_pcib_write_config(sc->sc_dev, bus, slot, func, - PCIR_INTLINE, intline, 1); + PCIR_INTLINE, PCI_INVALID_IRQ, 1); command |= PCIM_CMD_MEMEN | PCIM_CMD_PORTEN; fsl_pcib_write_config(sc->sc_dev, bus, slot, func, @@ -654,19 +579,19 @@ fsl_pcib_init(struct fsl_pcib_softc *sc, /* Program I/O decoder. */ fsl_pcib_write_config(sc->sc_dev, bus, slot, func, - PCIR_IOBASEL_1, sc->sc_ioport.rm_start >> 8, 1); + PCIR_IOBASEL_1, sc->sc_ioport_start >> 8, 1); fsl_pcib_write_config(sc->sc_dev, bus, slot, func, - PCIR_IOLIMITL_1, sc->sc_ioport.rm_end >> 8, 1); + PCIR_IOLIMITL_1, sc->sc_ioport_end >> 8, 1); fsl_pcib_write_config(sc->sc_dev, bus, slot, func, - PCIR_IOBASEH_1, sc->sc_ioport.rm_start >> 16, 2); + PCIR_IOBASEH_1, sc->sc_ioport_start >> 16, 2); fsl_pcib_write_config(sc->sc_dev, bus, slot, func, - PCIR_IOLIMITH_1, sc->sc_ioport.rm_end >> 16, 2); + PCIR_IOLIMITH_1, sc->sc_ioport_end >> 16, 2); /* Program (non-prefetchable) memory decoder. */ fsl_pcib_write_config(sc->sc_dev, bus, slot, func, - PCIR_MEMBASE_1, sc->sc_iomem.rm_start >> 16, 2); + PCIR_MEMBASE_1, sc->sc_iomem_start >> 16, 2); fsl_pcib_write_config(sc->sc_dev, bus, slot, func, - PCIR_MEMLIMIT_1, sc->sc_iomem.rm_end >> 16, 2); + PCIR_MEMLIMIT_1, sc->sc_iomem_end >> 16, 2); /* Program prefetchable memory decoder. */ fsl_pcib_write_config(sc->sc_dev, bus, slot, func, @@ -769,62 +694,6 @@ fsl_pcib_outbound(struct fsl_pcib_softc bus_space_write_4(sc->sc_bst, sc->sc_bsh, REG_POWAR(wnd), attr); } -static int -fsl_pcib_set_range(struct fsl_pcib_softc *sc, int type, int wnd, u_long start, - u_long size) -{ - struct rman *rm; - u_long end, alloc; - bus_addr_t pci_start, pci_end; - bus_addr_t *vap, *allocp; - int error; - - end = start + size - 1; - - switch (type) { - case SYS_RES_IOPORT: - rm = &sc->sc_ioport; - pci_start = 0x0000; - pci_end = 0xffff; - alloc = 0x1000; - vap = &sc->sc_ioport_va; - allocp = &sc->sc_ioport_alloc; - break; - case SYS_RES_MEMORY: - rm = &sc->sc_iomem; - pci_start = start; - pci_end = end; - alloc = 0; - vap = &sc->sc_iomem_va; - allocp = &sc->sc_iomem_alloc; - break; - default: - return (EINVAL); - } - - rm->rm_type = RMAN_ARRAY; - rm->rm_start = pci_start; - rm->rm_end = pci_end; - error = rman_init(rm); - if (error) - return (error); - - error = rman_manage_region(rm, pci_start, pci_end); - if (error) { - rman_fini(rm); - return (error); - } - - *allocp = pci_start + alloc; - if (size > 0) { - *vap = (uintptr_t)pmap_mapdev(start, size); - fsl_pcib_outbound(sc, wnd, type, start, size, pci_start); - } else { - *vap = 0; - fsl_pcib_outbound(sc, wnd, -1, 0, 0, 0); - } - return (0); -} static void fsl_pcib_err_init(device_t dev) @@ -880,106 +749,15 @@ fsl_pcib_detach(device_t dev) return (bus_generic_detach(dev)); } -static struct resource * -fsl_pcib_alloc_resource(device_t dev, device_t child, int type, int *rid, - u_long start, u_long end, u_long count, u_int flags) -{ - struct fsl_pcib_softc *sc = device_get_softc(dev); - struct rman *rm; - struct resource *res; - bus_addr_t va; - - switch (type) { - case SYS_RES_IOPORT: - rm = &sc->sc_ioport; - va = sc->sc_ioport_va; - break; - case SYS_RES_MEMORY: - rm = &sc->sc_iomem; - va = sc->sc_iomem_va; - break; - case SYS_RES_IRQ: - if (start < 16) { - device_printf(dev, "%s requested ISA interrupt %lu\n", - device_get_nameunit(child), start); - } - flags |= RF_SHAREABLE; - return (BUS_ALLOC_RESOURCE(device_get_parent(dev), child, - type, rid, start, end, count, flags)); - default: - return (NULL); - } - - res = rman_reserve_resource(rm, start, end, count, flags, child); - if (res == NULL) - return (NULL); - - rman_set_bustag(res, &bs_le_tag); - rman_set_bushandle(res, va + rman_get_start(res) - rm->rm_start); - return (res); -} - -static int -fsl_pcib_release_resource(device_t dev, device_t child, int type, int rid, - struct resource *res) -{ - - return (rman_release_resource(res)); -} - -static int -fsl_pcib_read_ivar(device_t dev, device_t child, int which, uintptr_t *result) -{ - struct fsl_pcib_softc *sc = device_get_softc(dev); - - switch (which) { - case PCIB_IVAR_BUS: - *result = sc->sc_busnr; - return (0); - case PCIB_IVAR_DOMAIN: - *result = device_get_unit(dev); - return (0); - } - return (ENOENT); -} - -static int -fsl_pcib_write_ivar(device_t dev, device_t child, int which, uintptr_t value) -{ - struct fsl_pcib_softc *sc = device_get_softc(dev); - - switch (which) { - case PCIB_IVAR_BUS: - sc->sc_busnr = value; - return (0); - } - return (ENOENT); -} - -static int -fsl_pcib_intr_info(phandle_t node, struct fsl_pcib_softc *sc) -{ - int error; - - if ((error = fdt_pci_intr_info(node, &sc->sc_intr_info)) != 0) - return (error); - - return (0); -} - static int fsl_pcib_decode_win(phandle_t node, struct fsl_pcib_softc *sc) { - struct fdt_pci_range io_space, mem_space; device_t dev; - int error; + int error, i, trgt; dev = sc->sc_dev; - if ((error = fdt_pci_ranges(node, &io_space, &mem_space)) != 0) { - device_printf(dev, "could not retrieve 'ranges' data\n"); - return (error); - } + fsl_pcib_outbound(sc, 0, -1, 0, 0, 0); /* * Configure LAW decode windows. @@ -990,30 +768,52 @@ fsl_pcib_decode_win(phandle_t node, stru device_printf(dev, "could not retrieve PCI LAW target info\n"); return (error); } - error = law_enable(sc->sc_iomem_target, mem_space.base_parent, - mem_space.len); - if (error != 0) { - device_printf(dev, "could not program LAW for PCI MEM range\n"); - return (error); - } - error = law_enable(sc->sc_ioport_target, io_space.base_parent, - io_space.len); - if (error != 0) { - device_printf(dev, "could not program LAW for PCI IO range\n"); - return (error); + + for (i = 0; i < sc->pci_sc.sc_nrange; i++) { + switch (sc->pci_sc.sc_range[i].pci_hi & + OFW_PCI_PHYS_HI_SPACEMASK) { + case OFW_PCI_PHYS_HI_SPACE_CONFIG: + continue; + case OFW_PCI_PHYS_HI_SPACE_IO: + trgt = sc->sc_ioport_target; + fsl_pcib_outbound(sc, 2, SYS_RES_IOPORT, + sc->pci_sc.sc_range[i].host, + sc->pci_sc.sc_range[i].size, + sc->pci_sc.sc_range[i].pci); + sc->sc_ioport_start = sc->pci_sc.sc_range[i].host; + sc->sc_ioport_end = sc->pci_sc.sc_range[i].host + + sc->pci_sc.sc_range[i].size; + sc->sc_ioport_alloc = 0x1000 + sc->pci_sc.sc_range[i].pci; + break; + case OFW_PCI_PHYS_HI_SPACE_MEM32: + case OFW_PCI_PHYS_HI_SPACE_MEM64: + trgt = sc->sc_iomem_target; + fsl_pcib_outbound(sc, 1, SYS_RES_MEMORY, + sc->pci_sc.sc_range[i].host, + sc->pci_sc.sc_range[i].size, + sc->pci_sc.sc_range[i].pci); + sc->sc_iomem_start = sc->pci_sc.sc_range[i].host; + sc->sc_iomem_end = sc->pci_sc.sc_range[i].host + + sc->pci_sc.sc_range[i].size; + sc->sc_iomem_alloc = sc->pci_sc.sc_range[i].pci; + break; + default: + panic("Unknown range type %#x\n", + sc->pci_sc.sc_range[i].pci_hi & + OFW_PCI_PHYS_HI_SPACEMASK); + } + error = law_enable(trgt, sc->pci_sc.sc_range[i].host, + sc->pci_sc.sc_range[i].size); + if (error != 0) { + device_printf(dev, "could not program LAW for range " + "%d\n", i); + return (error); + } } /* * Set outbout and inbound windows. */ - fsl_pcib_outbound(sc, 0, -1, 0, 0, 0); - if ((error = fsl_pcib_set_range(sc, SYS_RES_MEMORY, 1, - mem_space.base_parent, mem_space.len)) != 0) - return (error); - if ((error = fsl_pcib_set_range(sc, SYS_RES_IOPORT, 2, - io_space.base_parent, io_space.len)) != 0) - return (error); - fsl_pcib_outbound(sc, 3, -1, 0, 0, 0); fsl_pcib_outbound(sc, 4, -1, 0, 0, 0); @@ -1024,3 +824,4 @@ fsl_pcib_decode_win(phandle_t node, stru return (0); } +
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